3 709DCDA-OSY-GPM

Item Number: 0387745
1 1
$14,174.86
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 3 inch
  • Weight: 327.0 lb
  • Body Material: Cast iron with ArmorTek® epoxy coating
  • Maximum Working Pressure: 175 psi
  • Includes 5/8" x 3/4" bronze GPM meter
  • Features resilient seated OSY shutoff valves
  • Modular check design for easy maintenance
  • UL Listed and FM Approved
  • Approved for horizontal installation

Description

The 3 inch Watts 709DCDA Double Check Detector Assembly is engineered to prevent the reverse flow of non-health hazard substances in fire protection systems. Its fused epoxy coated cast iron body features ArmorTek® coating for superior corrosion resistance. This assembly includes resilient seated OSY shutoff valves and an integrated gallons per minute (GPM) meter, which helps detect leaks and unauthorized water usage to reduce overall water costs. Designed for easy maintenance with a modular check system, it is UL Listed and FM Approved, suitable for horizontal installations.

Help Me Connect

This 3 inch Watts 709DCDA Double Check Detector Assembly is specifically designed for horizontal installation only. It is intended for use within fire protection systems when connected to a potable water supply, as determined by local authority having jurisdiction.

The unit includes UL Classified and FM Approved OSY shutoff valves and ball-type test cocks to facilitate connection, isolation, and testing procedures. Its modular check design allows for easier maintenance and assembly access.

View full details

Additional Details

This 3 inch Watts Series 709DCDA Double Check Detector Assembly is designed to prevent the reverse flow of non-health hazard fire protection system substances into a potable water line.

The assembly incorporates an integrated gallons per minute (GPM) meter to detect leaks and unauthorized water usage, helping to reduce unaccountable water costs. Its modular check design simplifies maintenance and assembly access.

Features

  • Body construction is fused epoxy coated cast iron for durability.
  • Utilizes ArmorTek® coating technology to resist microbial-induced corrosion (MIC) and protect exposed metal substrate.
  • Equipped with resilient seated OSY shutoff valves and ball type test cocks.
  • Features replaceable bronze seats for extended service life.
  • Designed for maximum flow at low pressure drop.
  • Compact design for economy combined with performance.
  • Design simplicity for easy maintenance.
  • Includes a 5/8 inch x 3/4 inch bronze meter.
  • No special tools required for servicing.

Specifications

  • Size: 3 inch
  • Body Material: Cast Iron
  • Coating: ArmorTek® Powder Coating (applied to internal and external surfaces)
  • Seat Material: Bronze
  • Disc Holder Material: Bronze
  • Trim Material: Stainless steel
  • Check Valve Disc Material: Rubber
  • Test Cock Material: Bronze
  • Shutoff Valves: OSY (Outside Stem and Yoke) Resilient Seated Gate Valves
  • Meter Type: 5/8 inch x 3/4 inch Bronze Gallons per Minute (GPM) Meter
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range (Continuous): 33°F - 110°F (0.5°C – 43°C)
  • Temperature Range (Intermittent): 140°F (60°C)

Certificates & Approvals

  • UL Listed
  • UL Classified
  • FM Approved
  • ASSE 1048
  • AWWA Standard C510
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary function of the Watts 709DCDA Double Check Detector Assembly?

The primary function of this assembly is to prevent the backflow of non-health hazard fire protection system substances from contaminating the potable water supply. It is used in accordance with water authority containment requirements.

What is the purpose of the integrated GPM meter?

The integrated gallons per minute (GPM) meter serves two main purposes: it detects underground leaks that can lead to significant water waste and helps identify unauthorized water usage or illegal taps, contributing to cost savings.

What material is the body of the backflow preventer made from and how is it protected?

The body of the backflow preventer is constructed from fused epoxy coated cast iron. It is further protected by ArmorTek®, a patented three-part advanced epoxy coating system designed to resist microbial-induced corrosion (MIC) and protect exposed metal surfaces.

What is the maximum operating pressure and temperature for this assembly?

This assembly has a maximum working pressure of 175 psi (12.1 bar). It can operate continuously at temperatures from 33°F to 110°F (0.5°C – 43°C) and intermittently up to 140°F (60°C).

What certifications and approvals does the 3 inch Watts 709DCDA assembly hold?

The 3 inch Watts 709DCDA assembly is UL Listed, UL Classified, and FM Approved. It also meets ASSE 1048 and AWWA Std. C510 requirements and is approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California.

Related Products

1 2